You may need to temporarily disable your Antivirus/Windows Defender, as many flashing tools are flagged as "false positives." 1. Initial Setup Download & Extract:
| Error Code | Meaning | Solution | | :--- | :--- | :--- | | Device not found | Driver issue | Reinstall Samsung USB drivers. Try different USB port (USB 2.0 preferred). | | Failed to load MTP | Phone in wrong mode | Ensure you are on the Home screen or Recovery. Toggle USB Debugging off/on. | | Command not supported | Unsupported security patch | Downgrade the phone’s firmware using Odin to an older version, then retry. | | Knox error ECT | Knox counter tripped | This is normal. The tool alerts you, but you can proceed. | samfw tool version 1.21.0
Version 1.21.0 adds full FRP removal for devices running on the latest and Exynos 2400 processors. This includes flagship models like the Samsung Galaxy S23 series (Exynos variants) and some Galaxy A-series phones that previously required paid tools. You may need to temporarily disable your Antivirus/Windows
Download the SamFw Tool v1.21.0 ZIP file and extract it to a folder on your desktop. Right-click SamFwTool.exe and select Run as Administrator Connect your device to the PC while it is powered on. 2. Main Features & How to Use Them A. Remove FRP (Standard Method) | | Failed to load MTP | Phone